DongHyeonkaandClaude Opus 5
b2963105a8
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.
Follows the import procedure in README.md.
source/ the originating repository verbatim — 78 documents, 28 SVGs,
8 manifests, plus .source-revision recording the commit
final/ the SSOT
document.md 729 lines written from the 29 experiment documents, not
concatenated: what was predicted, what was measured, and
where the measurement itself was wrong
evidence/raw 125 outputs, flattened to <experiment>__<file> because
the originals collided (01-baseline.txt appeared three
times) and the audit only globs the top level
evidence/meta one per raw file; command and exitCode are null and the
README says why rather than inventing them
evidence/browser 22 captures
assets/ three diagrams through techviz
.techviz/ their VizSpecs
A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.
Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.
verify-pipeline.py passes. audit-records.py reports no issues.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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### 31.2 (8.1) 도달성 — forwarded 헤더 신뢰 정책
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```
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TrustedProxyPolicy 6 test 1 testkit
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NormalizedForwardedHeaders 4 main 8 test <- main 참조자는 proxy 패키지 내부
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ForwardedHeaderSanitizer 2 test 1 testkit
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```
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`proxy` 패키지 421 LOC이 프로덕션 조립에 들어가지 않는다. 실제로 forwarded 헤더를 해석하는 것은 Spring Boot의 `server.forward-headers-strategy=framework`(app-bootstrap `application.yml:321` 기본값)가 등록하는 `ForwardedHeaderFilter`/`ForwardedHeaderTransformer`이고, 그것은 **피어가 신뢰된 프록시인지 검사하지 않는다**. §32.2.
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### 31.3 (8.3) 중복 메커니즘 — 상관 식별자가 세 벌이다
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| 메커니즘 | 헤더 | 저장 위치 |
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| `WebMvcRequestIdFilter` | `X-Request-Id`, `traceparent` | 요청 속성(`WebRequestId`/`WebTraceId`) |
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